Home / 5,358.12-8,000.68-4,728.16

Finding the Fourth Proportional to 5,358.12, 8,000.68 and 4,728.16

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Solution

The fourth proportional to 5,358.12, 8,000.68 and 4,728.16 is: 7,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.12 : 8,000.68 = 4,728.16 : x
  2. Step 2: Convert to fraction form
    5,358.12/8,000.68 = 4,728.16/x
  3. Step 3: Cross multiply
    5,358.12x = 8,000.68 × 4,728.16
  4. Step 4: Simplify right side
    5,358.12x = 37,828,495.15
  5. Step 5: Solve for x
    x = 37,828,495.15/5,358.12
  6. Step 6: Final answer
    x = 7,060.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.